annotate lib/alib/is_alnum.as @ 2784:2594295f9cc7 lwtools-port

Merged Drencor's work
author Boisy Pitre <boisy.pitre@nuance.com>
date Sat, 26 Jan 2013 17:19:06 -0600
parents 03f26e88b809
children
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1 *****************************************
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2
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3 * See if character in "B" is a alpha letter a..z or A..Z or digit 0..9
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5 * OTHER MODULES NEEDED: IS_ALPHA, IS_DIGIT
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7 * ENTRY: B=character to test
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8
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9 * EXIT: CC zero=1 if alphanumeric, 0 if not
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12 nam Is Char AlphaNumeric?
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13 ttl Assembler Library Module
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2782
aaba193af04f Updated code to use lwasm/lwlink
Boisy Pitre <boisy.pitre@nuance.com>
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16 section .text
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19 IS_ALNUM:
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20 lbsr IS_ALPHA
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21 BEQ yes upper/lowercase letters are alphanumeric
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22 lbsr IS_DIGIT last chance to set flags.
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23
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24 yes
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25 rts
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28 endsect
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